Home / 11,577.12-17,281.86-10,175.88

Finding the Fourth Proportional to 11,577.12, 17,281.86 and 10,175.88

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Solution

The fourth proportional to 11,577.12, 17,281.86 and 10,175.88 is: 15,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.12 : 17,281.86 = 10,175.88 : x
  2. Step 2: Convert to fraction form
    11,577.12/17,281.86 = 10,175.88/x
  3. Step 3: Cross multiply
    11,577.12x = 17,281.86 × 10,175.88
  4. Step 4: Simplify right side
    11,577.12x = 175,858,133.54
  5. Step 5: Solve for x
    x = 175,858,133.54/11,577.12
  6. Step 6: Final answer
    x = 15,190.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.